Home / 195,795.51-270,192.56-115,227.78

Finding the Fourth Proportional to 195,795.51, 270,192.56 and 115,227.78

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Solution

The fourth proportional to 195,795.51, 270,192.56 and 115,227.78 is: 159,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,795.51 : 270,192.56 = 115,227.78 : x
  2. Step 2: Convert to fraction form
    195,795.51/270,192.56 = 115,227.78/x
  3. Step 3: Cross multiply
    195,795.51x = 270,192.56 × 115,227.78
  4. Step 4: Simplify right side
    195,795.51x = 31,133,688,285.18
  5. Step 5: Solve for x
    x = 31,133,688,285.18/195,795.51
  6. Step 6: Final answer
    x = 159,011.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.